Aubin-Saint-Vaast
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Aubin-Saint-Vaast is a commune in the Pas-de-Calais department in the Hauts-de-France region in north-central France. It is part of the canton of Auxi-le-Château in the arrondissement of Montreuil. It borders Contes to the north, Huby-Saint-Leu to the northeast, Guisy to the east, Bouin-Plumoison to the southeast, Mouriez to the south, Gouy-Saint-André to the southwest, and Maresquel-Ecquemicourt to the northwest.
· 
Church of Saint-Vaast, Monument historique
· 
Aubin-Saint-Vaast train station
Population development
| Year | 1962 | 1968 | 1975 | 1982 | 1990 | 1999 | 2008 | 2014 |
| Inhabitants | 584 | 678 | 708 | 735 | 710 | 756 | 779 | 762 |
